/* roulang page: index */
:root {
  --primary: #0B6E4F;
  --primary-dark: #0A5740;
  --primary-deep: #052D21;
  --accent: #E9B44C;
  --accent-dark: #C68A21;
  --accent-soft: #FDF3DF;
  --bg: #F6F7F3;
  --surface: #FFFFFF;
  --ink: #1C2B25;
  --muted: #5D7268;
  --border: #E1E8E0;
  --shadow-1: 0 2px 8px rgba(10, 40, 30, .06);
  --shadow-2: 0 12px 32px rgba(10, 40, 30, .12);
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --grad-main: linear-gradient(135deg, #0B6E4F 0%, #0A5740 60%, #083D2C 100%);
  --grad-gold: linear-gradient(120deg, #E9B44C 0%, #C68A21 100%);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: none; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 96px 0; }
@media (max-width: 640px) { .section-pad { padding: 64px 0; } }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; color: var(--ink); }
h1 { font-size: 44px; }
h2 { font-size: 32px; }
h3 { font-size: 22px; }
@media (max-width: 640px) {
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  h3 { font-size: 18px; }
}
p { margin-bottom: 24px; }
p:last-child { margin-bottom: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 4px 16px rgba(11, 110, 79, .25);
}
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(11, 110, 79, .35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(11, 110, 79, .25); }
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); background: rgba(11, 110, 79, .06); color: var(--primary); }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; border-radius: 10px; }
.btn-lg { height: 52px; padding: 0 36px; font-size: 16px; border-radius: 14px; }

/* Header / Nav */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
  background: transparent;
}
.site-header.scrolled {
  background: rgba(246, 247, 243, .88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(11, 110, 79, .3);
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .01em;
  white-space: nowrap;
}
.site-header.scrolled .logo-text { color: var(--ink); }
.hero-section .site-header.scrolled .logo-text { color: var(--ink); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
}
.nav-links a {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  padding: 6px 0;
  transition: color .2s ease;
}
.site-header.scrolled .nav-links a { color: var(--ink); }
.nav-links a:hover { color: #fff; }
.site-header.scrolled .nav-links a:hover { color: var(--primary); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  border-radius: var(--radius-full);
  background: var(--grad-gold);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.9);
  font-size: 16px;
  cursor: pointer;
  transition: background .2s ease;
}
.site-header.scrolled .search-btn { color: var(--ink); }
.search-btn:hover { background: rgba(255,255,255,.15); }
.site-header.scrolled .search-btn:hover { background: rgba(11,110,79,.08); }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: rgba(255,255,255,.9);
  font-size: 20px;
  transition: background .2s ease;
}
.site-header.scrolled .nav-toggle { color: var(--ink); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-2);
  padding: 16px 24px 20px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  transition: background .2s ease;
}
.mobile-menu a:hover { background: var(--bg); color: var(--primary); }
.mobile-menu a.active { background: var(--accent-soft); color: var(--primary); }
.mobile-menu .btn { margin-top: 12px; width: 100%; }

/* Hero */
.hero-section {
  position: relative;
  background: var(--grad-main);
  min-height: 640px;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 64px 0 0;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: .12;
  pointer-events: none;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, rgba(246,247,243,1));
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 96px;
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.14);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 24px;
}
.hero-eyebrow i { font-size: 12px; }
.hero-title {
  color: #fff;
  font-size: 46px;
  line-height: 1.2;
  margin-bottom: 20px;
  font-weight: 800;
}
.hero-subtitle {
  color: rgba(255,255,255,.82);
  font-size: 16px;
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-buttons .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.hero-buttons .btn-primary:hover { color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.hero-buttons .btn-secondary { border-color: rgba(255,255,255,.4); color: #fff; }
.hero-buttons .btn-secondary:hover { border-color: #fff; background: rgba(255,255,255,.1); color: #fff; }
.hero-data {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.hero-data-item {
  position: relative;
  padding-left: 14px;
}
.hero-data-item::before {
  content: '';
  position: absolute;
  left: 0; top: 4px;
  width: 3px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--grad-gold);
}
.hero-data-num {
  font-family: "Inter", "DIN Alternate", "Helvetica Neue", sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.hero-data-label { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 4px; }
.hero-visual { position: relative; }
.hero-device {
  position: relative;
  border-radius: 20px;
  padding: 12px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: 0 24px 60px rgba(0,0,0,.25);
  backdrop-filter: blur(6px);
  overflow: hidden;
}
.hero-device img {
  border-radius: 12px;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.device-glow {
  position: absolute;
  top: -30%; right: -20%;
  width: 70%; height: 70%;
  background: radial-gradient(circle, rgba(233,180,76,.4), transparent 70%);
  pointer-events: none;
}

/* Value Section */
.value-section { background: var(--bg); }
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section-head .section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-head .section-sub { color: var(--muted); font-size: 15px; margin-top: 16px; }
.value-item {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.value-item.visible { opacity: 1; transform: translateY(0); }
.value-item:first-of-type { border-top: 1px solid var(--border); }
.value-num {
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-size: 56px;
  font-weight: 800;
  color: rgba(11,110,79,.12);
  line-height: 1;
  letter-spacing: -.02em;
}
.value-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 16px;
}
.value-body h3 { margin-bottom: 10px; }
.value-body p { color: var(--muted); font-size: 15px; max-width: 420px; }
.value-visual img { border-radius: 16px; box-shadow: var(--shadow-2); width: 100%; height: 260px; object-fit: cover; }
.value-item:nth-child(even) .value-visual { order: 2; }
.value-item:nth-child(even) .value-body { order: 1; }

/* Screenshot Orbit */
.screenshot-section { background: #EDF1EC; }
.screenshot-wrap { max-width: 960px; margin: 0 auto; }
.screenshot-frame { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-2); }
.screenshot-frame img { width: 100%; height: auto; }
.orbit-caption {
  text-align: center;
  padding: 20px 24px;
  font-size: 15px;
  color: var(--muted);
  background: var(--surface);
}
.orbit-previous, .orbit-next {
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  background: rgba(255,255,255,.9) !important;
  color: var(--primary) !important;
  box-shadow: var(--shadow-2);
  display: flex !important;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.orbit-previous:hover, .orbit-next:hover { background: #fff !important; color: var(--primary-dark) !important; }
.orbit-bullets button {
  width: 10px !important;
  height: 10px !important;
  border-radius: 50% !important;
  background: rgba(11,110,79,.3) !important;
  transition: background .2s ease, transform .2s ease;
}
.orbit-bullets button.is-active { background: var(--accent) !important; transform: scale(1.2); }

/* System Requirements */
.sys-section { background: var(--surface); }
.sys-tip {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 32px;
}
.sys-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  border: 1px solid var(--border);
}
.sys-table th {
  background: var(--primary-deep);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 16px 20px;
  text-align: left;
}
.sys-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  vertical-align: middle;
}
.sys-table tr:last-child td { border-bottom: none; }
.sys-table tr:hover td { background: rgba(11,110,79,.04); }
.sys-platform { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.sys-platform i {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.sys-info {
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-size: 14px;
  color: var(--muted);
}

/* Testimonials */
.testi-section { background: var(--bg); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.testi-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-1);
  border: 1px solid var(--border);
  transition: transform .3s ease, box-shadow .3s ease;
}
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.testi-card.wide { grid-column: span 6; }
.testi-card.narrow { grid-column: span 4; }
.testi-stars { color: var(--accent); font-size: 14px; margin-bottom: 16px; letter-spacing: 2px; }
.testi-text { font-size: 15px; color: var(--ink); line-height: 1.7; margin-bottom: 20px; }
.testi-user { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
}
.testi-name { font-size: 14px; font-weight: 600; color: var(--ink); }
.testi-source { font-size: 13px; color: var(--muted); }

/* News Section */
.news-section { background: #EDF1EC; }
.news-list { max-width: 820px; margin: 0 auto; }
.news-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-1);
  margin-bottom: 16px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: rgba(11,110,79,.3); }
.news-date-badge {
  flex-shrink: 0;
  width: 88px;
  min-height: 88px;
  border-radius: 14px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  line-height: 1.4;
  padding: 10px;
}
.news-body { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.news-tag {
  display: inline-block;
  padding: 2px 12px;
  border-radius: var(--radius-full);
  background: rgba(11,110,79,.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}
.news-time { font-size: 13px; color: var(--muted); font-family: "Inter", "DIN Alternate", sans-serif; }
.news-title { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.news-card:hover .news-title { color: var(--primary); }
.news-summary {
  font-size: 14px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-link {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 15px;
  transition: background .2s ease, color .2s ease;
}
.news-card:hover .news-link { background: var(--primary); color: #fff; }
.news-empty {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}
.news-footer { text-align: center; margin-top: 32px; }

/* FAQ */
.faq-section { background: var(--surface); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-1);
  transition: box-shadow .3s ease;
}
.accordion-item.is-active { box-shadow: var(--shadow-2); border-color: rgba(11,110,79,.25) !important; }
.accordion-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px !important;
  font-weight: 700;
  color: var(--ink) !important;
  padding: 20px 24px !important;
  background: transparent !important;
  position: relative;
}
.accordion-title::before {
  content: '+';
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  transition: transform .3s ease;
  line-height: 1;
}
.accordion-item.is-active .accordion-title::before { transform: rotate(45deg); }
.accordion-content {
  background: #F8FAF7 !important;
  padding: 20px 24px !important;
  font-size: 15px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
.accordion-content p { margin-bottom: 0; }

/* Download CTA */
.download-section {
  position: relative;
  background: var(--grad-main);
  padding: 96px 0;
  overflow: hidden;
}
.download-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: .1;
  pointer-events: none;
}
.download-inner { position: relative; z-index: 2; }
.download-head { text-align: center; margin-bottom: 48px; }
.download-head h2 { color: #fff; font-size: 36px; margin-bottom: 12px; }
.download-head p { color: rgba(255,255,255,.75); font-size: 16px; }
.download-panel {
  background: rgba(255,255,255,.96);
  border-radius: 24px;
  padding: 48px;
  box-shadow: 0 24px 64px rgba(0,0,0,.25);
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 40px;
  align-items: center;
}
.download-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.download-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: var(--shadow-1);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.download-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: rgba(11,110,79,.35); }
.download-btn-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.download-btn-title { font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.2; }
.download-btn-desc { font-size: 13px; color: var(--muted); line-height: 1.3; margin-top: 2px; }
.qr-block { text-align: center; }
.qr-box {
  width: 150px; height: 150px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  margin: 0 auto 12px;
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  align-content: center;
  justify-content: center;
}
.qr-box span {
  width: 8px; height: 8px;
  background: var(--primary-deep);
  border-radius: 1px;
}
.qr-label { font-size: 13px; color: var(--muted); }

/* Footer */
.site-footer {
  background: var(--primary-deep);
  color: #C4D2CB;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad-gold);
}
.footer-main {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand .logo-text { color: #fff; font-size: 20px; }
.footer-brand p { font-size: 14px; color: #C4D2CB; margin: 16px 0 24px; max-width: 300px; }
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-full);
}
.footer-badge-num {
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
}
.footer-badge-label { font-size: 13px; color: #C4D2CB; }
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: #C4D2CB;
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 12px; color: #C4D2CB; }
.footer-contact i { color: var(--accent); font-size: 14px; width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #8FA79D;
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .value-item { grid-template-columns: 60px 1fr; gap: 24px; }
  .value-visual { display: none; }
  .testi-card.wide, .testi-card.narrow { grid-column: span 6; }
}
@media (max-width: 860px) {
  .nav-links, .nav-actions .btn-sm { display: none; }
  .nav-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; padding: 80px 24px 80px; }
  .hero-visual { max-width: 520px; margin: 0 auto; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .download-panel { grid-template-columns: 1fr; }
  .qr-block { display: flex; align-items: center; gap: 16px; justify-content: center; }
  .qr-box { margin: 0; }
  .section-pad { padding: 64px 0; }
}
@media (max-width: 640px) {
  .container, .header-inner, .hero-inner { padding-left: 16px; padding-right: 16px; }
  .hero-title { font-size: 32px; }
  .section-head { margin-bottom: 40px; }
  .value-item { grid-template-columns: 1fr; padding: 28px 0; }
  .value-num { font-size: 40px; }
  .testi-card.wide, .testi-card.narrow { grid-column: span 12; }
  .news-card { flex-wrap: wrap; padding: 20px; }
  .news-date-badge { width: 72px; min-height: 72px; font-size: 13px; }
  .news-body { flex-basis: 100%; }
  .download-btns { grid-template-columns: 1fr; }
  .download-panel { padding: 28px; }
  .footer-main { grid-template-columns: 1fr; }
  .hero-data { gap: 24px; }
  .hero-data-num { font-size: 24px; }
  .btn-lg { height: 48px; padding: 0 28px; }
  .sys-table td { font-size: 14px; padding: 14px 14px; }
  .sys-table th { font-size: 13px; padding: 12px 14px; }
  .sys-platform i { width: 32px; height: 32px; font-size: 14px; }
}

/* roulang page: category1 */
:root{
  --primary:#0B6E4F;
  --primary-dark:#0A5740;
  --primary-deep:#052D21;
  --accent:#E9B44C;
  --accent-dark:#C68A21;
  --accent-soft:#FDF3DF;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#1C2B25;
  --muted:#5D7268;
  --border:#E1E8E0;
  --shadow-1:0 2px 8px rgba(10,40,30,.06);
  --shadow-2:0 12px 32px rgba(10,40,30,.12);
  --radius-md:14px;
  --radius-lg:20px;
  --radius-full:999px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:all .25s ease}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{margin-bottom:48px;text-align:center}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--radius-full);
  background:rgba(11,110,79,.08);
  color:var(--primary);
  font-size:13px;font-weight:600;
  letter-spacing:.02em;margin-bottom:16px;
}
.section-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-title{
  font-size:32px;font-weight:700;line-height:1.3;
  color:var(--ink);margin-bottom:12px;
}
.section-sub{
  font-size:16px;color:var(--muted);
  max-width:680px;margin:0 auto;
}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:64px;
  background:transparent;
  transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.scrolled{
  background:rgba(246,247,243,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 rgba(225,232,224,.8),var(--shadow-1);
}
.header-inner{
  max-width:1200px;height:64px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(11,110,79,.28);
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px;list-style:none;margin:0}
.nav-links li{margin:0}
.nav-links a{
  display:flex;align-items:center;height:64px;
  padding:0 16px;font-size:15px;font-weight:600;
  color:var(--ink);border-bottom:3px solid transparent;
  border-radius:0;transition:color .2s ease,border-color .2s ease;
  position:relative;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-dark));
  border-radius:3px 3px 0 0;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:inherit;font-size:16px;font-weight:600;
  border-radius:12px;padding:0 28px;height:48px;
  transition:all .25s ease;cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,#083D2C 100%);
  color:#fff;border:none;box-shadow:0 4px 14px rgba(11,110,79,.25);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,110,79,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:10px}
.btn-outline{
  background:#fff;border:1px solid var(--border);color:var(--primary);
}
.btn-outline:hover{border-color:var(--primary);background:rgba(11,110,79,.04)}
.search-btn{
  width:40px;height:40px;border-radius:50%;
  background:rgba(11,110,79,.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;transition:all .25s ease;
}
.search-btn:hover{background:var(--primary);color:#fff}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:rgba(11,110,79,.08);color:var(--primary);font-size:18px;align-items:center;justify-content:center}

/* ===== Page Banner ===== */
.page-banner{
  position:relative;
  padding:160px 0 56px;
  background:linear-gradient(135deg,#E9F1E8 0%,#F6F7F3 55%,#FDF3DF 100%);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;
  background-image:linear-gradient(rgba(11,110,79,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,110,79,.035) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.page-banner-inner{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-size:12px;color:#B0BAB2}
.breadcrumb span{color:var(--primary);font-weight:600}
.banner-title{
  font-size:44px;font-weight:700;line-height:1.2;color:var(--ink);
  margin-bottom:16px;
}
.banner-title::after{
  content:"";display:block;width:56px;height:4px;margin-top:20px;
  background:linear-gradient(90deg,var(--accent),var(--accent-dark));
  border-radius:4px;
}
.banner-desc{
  font-size:16px;color:var(--muted);max-width:600px;line-height:1.75;
}

/* ===== Split Feature ===== */
.split-section{background:var(--surface)}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-media{position:relative}
.split-media img{
  border-radius:24px;box-shadow:var(--shadow-2);
  border:1px solid var(--border);width:100%;
}
.split-media::after{
  content:"";position:absolute;inset:auto -20px -20px auto;width:60%;height:60%;
  border-radius:24px;background:linear-gradient(135deg,var(--accent-soft),transparent);
  z-index:-1;
}
.split-body .section-eyebrow{margin-bottom:12px}
.split-body h2{
  font-size:32px;font-weight:700;line-height:1.3;margin-bottom:20px;
}
.split-body p{color:var(--muted);margin-bottom:16px}
.split-features{margin-top:24px;display:grid;gap:12px}
.split-features li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 18px;border-radius:var(--radius-md);
  background:var(--bg);border:1px solid var(--border);
  font-size:15px;color:var(--ink);font-weight:500;
}
.split-features li i{color:var(--primary);font-size:16px;margin-top:3px}

/* ===== Stats Matrix ===== */
.stats-section{background:var(--bg)}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:860px;margin:0 auto}
.stat-card{
  position:relative;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:40px 36px;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  overflow:hidden;
}
.stat-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-dark));
  border-radius:0 3px 3px 0;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,110,79,.3)}
.stat-num{
  font-family:"Inter","DIN Alternate","Helvetica Neue",sans-serif;
  font-size:40px;font-weight:800;color:var(--primary);
  line-height:1.1;letter-spacing:-.01em;
}
.stat-num span{font-size:24px;margin-left:2px}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px;font-weight:500}

/* ===== Dynamic List ===== */
.list-section{background:var(--surface)}
.list-wrap{max-width:860px;margin:0 auto}
.dynamic-item{
  display:flex;gap:20px;padding:28px 0;
  border-bottom:1px solid var(--border);
  transition:background .25s ease,padding-left .25s ease;
}
.dynamic-item:hover{padding-left:8px;background:rgba(11,110,79,.02)}
.dynamic-item:last-child{border-bottom:none}
.dynamic-num{
  font-family:"Inter","DIN Alternate",sans-serif;
  font-size:14px;font-weight:700;color:var(--accent-dark);
  background:var(--accent-soft);
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.dynamic-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(11,110,79,.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;
}
.dynamic-content h3{font-size:18px;font-weight:700;margin-bottom:6px}
.dynamic-content p{font-size:15px;color:var(--muted);line-height:1.7}

/* ===== CTA Section ===== */
.cta-section{
  position:relative;padding:96px 0;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,#083D2C 100%);
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:40px 40px;
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:3fr 2fr;gap:56px;align-items:center;
}
.cta-copy h2{font-size:32px;font-weight:700;color:#fff;margin-bottom:16px}
.cta-copy p{color:#C4D2CB;font-size:16px;margin-bottom:28px;max-width:480px}
.cta-btns{display:flex;flex-wrap:wrap;gap:16px}
.cta-btns .btn-ghost{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);
  color:#fff;backdrop-filter:blur(4px);
}
.cta-btns .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff}
.cta-btns .btn-light{background:#fff;color:var(--primary-dark);box-shadow:0 6px 20px rgba(0,0,0,.15)}
.cta-btns .btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.22)}
.cta-qr{
  background:rgba(255,255,255,.1);
  border:1px dashed rgba(255,255,255,.4);
  border-radius:20px;padding:28px;
  text-align:center;backdrop-filter:blur(4px);
  max-width:240px;justify-self:end;
}
.cta-qr .qr-placeholder{
  width:120px;height:120px;border-radius:16px;background:#fff;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;color:var(--primary);font-size:48px;
}
.cta-qr p{color:#E1E8E0;font-size:14px;line-height:1.6}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deep);position:relative}
.site-footer::before{
  content:"";display:block;height:4px;
  background:linear-gradient(90deg,var(--accent),var(--accent-dark));
}
.footer-main{
  display:grid;grid-template-columns:2.2fr 1fr 1fr 1.4fr;
  gap:48px;padding:72px 0 48px;
}
.footer-brand .logo{margin-bottom:20px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{
  color:#C4D2CB;font-size:14px;line-height:1.8;margin-bottom:24px;
  max-width:320px;
}
.footer-badge{
  display:inline-flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.06);
  border-radius:var(--radius-md);padding:12px 20px;
  border:1px solid rgba(255,255,255,.08);
}
.footer-badge-num{
  font-family:"Inter","DIN Alternate",sans-serif;
  font-size:26px;font-weight:800;color:var(--accent);
}
.footer-badge-label{font-size:13px;color:#C4D2CB}
.footer-col h4{
  color:#fff;font-size:16px;font-weight:700;margin-bottom:20px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{
  color:#C4D2CB;font-size:14px;
  transition:color .25s ease,padding-left .25s ease;
}
.footer-col ul a:hover{color:var(--accent);padding-left:6px}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  color:#C4D2CB;font-size:14px;line-height:1.6;
  margin-bottom:14px;
}
.footer-contact li i{color:var(--accent);margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;text-align:center;
}
.footer-bottom p{color:#8FA69B;font-size:13px}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .split-grid{grid-template-columns:1fr;gap:40px}
  .cta-inner{grid-template-columns:1fr;gap:40px}
  .cta-qr{justify-self:start}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;top:64px;left:0;right:0;z-index:999;
    background:var(--surface);box-shadow:var(--shadow-2);
    flex-direction:column;align-items:stretch;
    padding:12px 24px 20px;
    display:none;gap:0;
  }
  .nav-links.open{display:flex}
  .nav-links a{height:48px;border-bottom:1px solid var(--border);border-radius:0}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:rgba(11,110,79,.06);border-radius:10px}
  .nav-links a:last-child{border-bottom:none}
  .nav-toggle{display:flex}
  .search-btn{display:none}
  .section{padding:64px 0}
  .banner-title{font-size:32px}
  .section-title{font-size:26px}
  .stats-grid{grid-template-columns:1fr;gap:16px}
  .stat-card{padding:28px 24px}
  .stat-num{font-size:34px}
  .cta-copy h2{font-size:26px}
}
@media (max-width:640px){
  .header-inner{padding:0 16px}
  .container{padding:0 16px}
  .logo-text{font-size:16px}
  .logo-mark{width:32px;height:32px;font-size:17px;border-radius:8px}
  .btn-sm{padding:0 16px}
  .page-banner{padding:140px 0 40px}
  .banner-title{font-size:28px}
  .banner-desc{font-size:15px}
  .split-grid{gap:32px}
  .split-body h2{font-size:24px}
  .cta-btns .btn{width:100%}
  .cta-qr{max-width:100%;width:100%}
  .footer-main{grid-template-columns:1fr;gap:32px;padding:56px 0 32px}
  .footer-bottom p{font-size:12px}
}

/* roulang page: article */
:root {
      --primary: #0B6E4F;
      --primary-dark: #0A5740;
      --primary-deep: #052D21;
      --accent: #E9B44C;
      --accent-dark: #C68A21;
      --accent-soft: #FDF3DF;
      --bg: #F6F7F3;
      --surface: #FFFFFF;
      --ink: #1C2B25;
      --muted: #5D7268;
      --border: #E1E8E0;
      --shadow-1: 0 2px 8px rgba(10, 40, 30, .06);
      --shadow-2: 0 12px 32px rgba(10, 40, 30, .12);
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 999px;
      --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      --font-num: "Inter", "DIN Alternate", "Helvetica Neue", sans-serif;
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      background: var(--bg);
      color: var(--ink);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color .2s ease;
    }

    a:hover {
      color: var(--primary-dark);
    }

    img {
      max-width: 100%;
      display: block;
    }

    ul, ol {
      margin: 0;
      padding: 0;
    }

    h1, h2, h3, h4, h5, h6 {
      margin: 0;
      font-weight: 700;
      color: var(--ink);
      line-height: 1.3;
    }

    button, input {
      font-family: var(--font-main);
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      transition: box-shadow .3s ease, background .3s ease;
    }

    .site-header.scrolled {
      background: rgba(255, 255, 255, .97);
      box-shadow: var(--shadow-1);
    }

    .header-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, #0B6E4F 0%, #0A5740 60%, #083D2C 100%);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      box-shadow: 0 4px 10px rgba(11, 110, 79, .22);
    }

    .logo-text {
      font-size: 18px;
      font-weight: 700;
      color: var(--ink);
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
      margin: 0;
      padding: 0;
      flex: 1;
      justify-content: center;
    }

    .nav-links li {
      margin: 0;
    }

    .nav-links a {
      display: block;
      padding: 8px 16px;
      color: var(--ink);
      font-weight: 600;
      font-size: 15px;
      border-radius: 8px;
      position: relative;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--primary);
      background: rgba(11, 110, 79, .06);
    }

    .nav-links a.active {
      color: var(--primary);
    }

    .nav-links a.active::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: -2px;
      height: 3px;
      border-radius: 3px;
      background: linear-gradient(120deg, var(--accent) 0%, var(--accent-dark) 100%);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      font-weight: 600;
      transition: all .25s ease;
      text-decoration: none;
      cursor: pointer;
      border: none;
      font-family: var(--font-main);
    }

    .btn-sm {
      height: 40px;
      padding: 0 20px;
      font-size: 14px;
      border-radius: 10px;
    }

    .btn-primary {
      background: linear-gradient(135deg, #0B6E4F 0%, #0A5740 60%, #083D2C 100%);
      color: #fff;
      box-shadow: 0 4px 12px rgba(11, 110, 79, .24);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(11, 110, 79, .3);
    }

    .btn-primary:active {
      transform: translateY(0);
    }

    .search-btn {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(11, 110, 79, .06);
      color: var(--primary);
      border: none;
      font-size: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all .2s ease;
    }

    .search-btn:hover {
      background: rgba(11, 110, 79, .12);
    }

    .nav-toggle {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--ink);
      font-size: 16px;
      display: none;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    /* ===== 面包屑 ===== */
    .breadcrumb-bar {
      background: var(--bg);
      border-bottom: 1px solid var(--border);
    }

    .breadcrumb-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 14px 24px;
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .crumb-nav {
      font-size: 14px;
      color: var(--muted);
      display: flex;
      align-items: center;
      gap: 6px;
      overflow: hidden;
      white-space: nowrap;
      min-width: 0;
    }

    .crumb-nav a {
      color: var(--muted);
    }

    .crumb-nav a:hover {
      color: var(--primary);
    }

    .crumb-nav span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 300px;
    }

    .crumb-bar-side {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      white-space: nowrap;
    }

    .crumb-bar-side a {
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* ===== 文章头部 ===== */
    .article-header {
      max-width: 720px;
      margin: 56px auto 24px;
      padding: 0 24px;
      text-align: center;
    }

    .article-tag {
      display: inline-flex;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      background: var(--accent-soft);
      color: var(--accent-dark);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 18px;
    }

    .article-header h1 {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.35;
      color: var(--ink);
      margin-bottom: 16px;
      word-break: break-word;
    }

    .article-meta {
      font-size: 14px;
      color: var(--muted);
      font-family: var(--font-num);
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .article-meta .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-meta .meta-item:not(:last-child)::after {
      content: '·';
      margin-left: 8px;
      color: #B9C8C0;
    }

    /* ===== 正文区 ===== */
    .article-main {
      padding: 0 24px 48px;
    }

    .article-body {
      max-width: 720px;
      margin: 0 auto;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-1);
    }

    .article-body p {
      font-size: 16px;
      line-height: 1.75;
      margin-bottom: 24px;
      text-indent: 2em;
    }

    .article-body h2 {
      font-size: 26px;
      margin: 40px 0 16px;
      color: var(--ink);
    }

    .article-body h3 {
      font-size: 22px;
      margin: 32px 0 12px;
      color: var(--ink);
    }

    .article-body img {
      border-radius: 16px;
      border: 1px solid var(--border);
      margin: 28px auto;
      box-shadow: var(--shadow-1);
    }

    .article-body blockquote {
      border-left: 4px solid var(--accent);
      background: rgba(11, 110, 79, .06);
      padding: 20px 24px;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      margin: 28px 0;
      color: var(--muted);
    }

    .article-body ul,
    .article-body ol {
      padding-left: 24px;
      margin-bottom: 24px;
    }

    .article-body li {
      margin-bottom: 8px;
      line-height: 1.7;
    }

    .article-body ul li::marker {
      color: var(--primary);
    }

    .article-body ol li::marker {
      color: var(--primary);
      font-weight: 700;
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 28px 0;
      border-radius: 12px;
      overflow: hidden;
      font-size: 14px;
    }

    .article-body table th,
    .article-body table td {
      border: 1px solid var(--border);
      padding: 12px 16px;
      text-align: left;
      line-height: 1.6;
    }

    .article-body table thead th {
      background: var(--primary);
      color: #fff;
      font-weight: 600;
    }

    .article-body table tbody tr:nth-child(even) {
      background: rgba(11, 110, 79, .04);
    }

    .article-body table tbody tr:hover {
      background: rgba(233, 180, 76, .08);
    }

    .article-body a {
      border-bottom: 1px solid rgba(11, 110, 79, .3);
    }

    .article-body figcaption {
      text-align: center;
      font-size: 13px;
      color: var(--muted);
      margin-top: -18px;
      margin-bottom: 24px;
    }

    /* ===== 文末标签与分享 ===== */
    .article-end {
      max-width: 720px;
      margin: 32px auto 0;
      padding: 0 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .article-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .tag-chip {
      display: inline-flex;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      background: rgba(11, 110, 79, .08);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
    }

    .share-bar {
      display: flex;
      gap: 8px;
      align-items: center;
      color: var(--muted);
      font-size: 14px;
    }

    .share-btn {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg);
      color: var(--muted);
      border: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      cursor: pointer;
      transition: all .2s ease;
    }

    .share-btn:hover {
      background: var(--accent-soft);
      color: var(--accent-dark);
      transform: translateY(-2px);
    }

    .share-btn:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    /* ===== 相关阅读 ===== */
    .related-section {
      max-width: 1200px;
      margin: 0 auto;
      padding: 64px 24px 20px;
    }

    .related-section .section-head h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--ink);
      position: relative;
      display: inline-block;
      padding-bottom: 8px;
    }

    .related-section .section-head h3::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 36px;
      height: 3px;
      border-radius: 3px;
      background: linear-gradient(120deg, var(--accent), var(--accent-dark));
    }

    .related-cards {
      margin: 24px -12px 0;
      display: flex;
      flex-wrap: wrap;
    }

    .related-cards .cell {
      padding: 0 12px;
      margin-bottom: 24px;
    }

    .related-card {
      display: flex;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 100%;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-2);
      border-color: rgba(11, 110, 79, .25);
    }

    .related-card img {
      width: 180px;
      height: 140px;
      object-fit: cover;
      flex-shrink: 0;
    }

    .related-card-body {
      padding: 18px 20px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 8px;
      min-width: 0;
    }

    .related-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--ink);
      line-height: 1.4;
    }

    .related-date {
      font-size: 13px;
      color: var(--muted);
      font-family: var(--font-num);
    }

    .related-desc {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* ===== 返回入口 ===== */
    .back-actions {
      text-align: center;
      padding: 16px 24px 80px;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      border-radius: 12px;
      background: var(--surface);
      border: 1px solid var(--border);
      color: var(--primary);
      font-weight: 600;
      font-size: 15px;
      transition: all .25s ease;
    }

    .btn-outline:hover {
      border-color: var(--primary);
      background: rgba(11, 110, 79, .04);
      transform: translateY(-2px);
    }

    .btn-outline:active {
      transform: translateY(0);
    }

    .back-home-link {
      display: inline-block;
      margin-left: 16px;
      font-size: 14px;
      color: var(--muted);
    }

    .back-home-link:hover {
      color: var(--primary);
    }

    /* ===== 内容未找到 ===== */
    .notfound-wrap {
      max-width: 640px;
      margin: 64px auto;
      padding: 56px 32px;
      text-align: center;
      background: var(--surface);
      border: 1px dashed var(--border);
      border-radius: var(--radius-lg);
      color: var(--muted);
    }

    .notfound-wrap .icon-circle {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: rgba(11, 110, 79, .08);
      color: var(--primary);
      font-size: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
    }

    .notfound-wrap h2 {
      font-size: 22px;
      color: var(--ink);
      margin-bottom: 10px;
    }

    .notfound-wrap p {
      margin-bottom: 20px;
      font-size: 15px;
    }

    .notfound-wrap a {
      color: var(--primary);
      font-weight: 600;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--primary-deep);
      position: relative;
    }

    .site-footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(120deg, #E9B44C 0%, #C68A21 100%);
    }

    .footer-main {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding: 64px 24px 48px;
    }

    .footer-brand .logo-text {
      color: #fff;
    }

    .footer-brand p {
      color: #C4D2CB;
      font-size: 14px;
      line-height: 1.7;
      margin: 16px 0 20px;
    }

    .footer-badge {
      display: inline-flex;
      flex-direction: column;
      background: rgba(255, 255, 255, .06);
      padding: 12px 20px;
      border-radius: var(--radius-md);
      border-left: 3px solid var(--accent);
    }

    .footer-badge-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--accent);
      font-family: var(--font-num);
      line-height: 1.2;
    }

    .footer-badge-label {
      font-size: 13px;
      color: #C4D2CB;
      margin-top: 2px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 18px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col a {
      color: #A9BFB5;
      font-size: 14px;
    }

    .footer-col a:hover {
      color: var(--accent);
    }

    .footer-contact li {
      color: #A9BFB5;
      font-size: 14px;
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .12);
      padding: 18px 24px;
      text-align: center;
    }

    .footer-bottom p {
      color: #8AA397;
      font-size: 13px;
      margin: 0;
    }

    /* ===== 焦点样式 ===== */
    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: 4px;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .footer-main {
        grid-template-columns: 1fr 1fr;
      }

      .related-cards .cell {
        width: 50%;
      }
    }

    @media (max-width: 860px) {
      .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 24px;
        box-shadow: var(--shadow-2);
        display: none;
        z-index: 99;
        border-bottom: 1px solid var(--border);
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        text-align: center;
        padding: 14px 0;
        border-bottom: 1px solid var(--border);
        width: 100%;
      }

      .nav-links a.active::after {
        display: none;
      }

      .nav-links a.active {
        background: rgba(11, 110, 79, .06);
      }

      .nav-toggle {
        display: inline-flex;
      }

      .search-btn {
        display: none;
      }
    }

    @media (max-width: 640px) {
      .header-inner {
        padding: 0 16px;
      }

      .logo-text {
        font-size: 16px;
      }

      .btn-sm {
        height: 36px;
        padding: 0 14px;
        font-size: 13px;
      }

      .breadcrumb-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px 16px;
      }

      .crumb-nav span {
        max-width: 180px;
      }

      .article-header {
        margin-top: 40px;
      }

      .article-header h1 {
        font-size: 24px;
      }

      .article-main {
        padding: 0 12px 36px;
      }

      .article-body {
        padding: 28px 20px;
        border-radius: var(--radius-md);
      }

      .article-body p {
        font-size: 15px;
        line-height: 1.75;
      }

      .article-end {
        padding: 0 12px;
        justify-content: center;
      }

      .related-section {
        padding: 48px 16px 16px;
      }

      .related-cards {
        margin: 20px -8px 0;
      }

      .related-cards .cell {
        width: 100%;
        padding: 0 8px;
      }

      .related-card {
        flex-direction: column;
      }

      .related-card img {
        width: 100%;
        height: auto;
      }

      .back-actions {
        padding-bottom: 56px;
      }

      .footer-main {
        grid-template-columns: 1fr;
        padding: 48px 20px 32px;
        gap: 32px;
      }
    }

/* roulang page: category2 */
:root{
  --primary:#0B6E4F;
  --primary-dark:#0A5740;
  --primary-deep:#052D21;
  --accent:#E9B44C;
  --accent-dark:#C68A21;
  --accent-soft:#FDF3DF;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#1C2B25;
  --muted:#5D7268;
  --border:#E1E8E0;
  --shadow-1:0 2px 8px rgba(10,40,30,.06);
  --shadow-2:0 12px 32px rgba(10,40,30,.12);
  --radius-md:14px;
  --radius-lg:20px;
  --radius-full:999px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-md)}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:1rem}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{margin-bottom:48px;max-width:720px}
.section-head .eyebrow{display:inline-block;background:rgba(11,110,79,.08);color:var(--primary);font-size:13px;font-weight:600;padding:6px 18px;border-radius:var(--radius-full);margin-bottom:14px;letter-spacing:.5px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.3;margin-bottom:14px;color:var(--ink)}
.section-head p{color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;border-radius:12px;padding:0 28px;height:48px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;font-size:15px}
.btn i{margin-right:8px}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,#083D2C 100%);color:#fff;box-shadow:0 4px 16px rgba(11,110,79,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(11,110,79,.38);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary);background:rgba(11,110,79,.04);color:var(--primary);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 22px;font-size:14px;border-radius:10px}
.badge{display:inline-block;background:rgba(11,110,79,.08);color:var(--primary);font-size:13px;font-weight:600;padding:5px 16px;border-radius:var(--radius-full)}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:64px;display:flex;align-items:center;transition:background .3s ease,box-shadow .3s ease;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(246,247,243,.88);backdrop-filter:blur(12px);border-bottom-color:var(--border);box-shadow:var(--shadow-1)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;width:100%;height:100%}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;border-radius:10px;box-shadow:0 2px 8px rgba(11,110,79,.25)}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.nav-links{display:flex;gap:6px;margin-left:48px;flex:1}
.nav-links li a{display:block;padding:10px 16px;font-size:15px;font-weight:600;color:var(--ink);border-radius:8px;position:relative;transition:all .25s ease}
.nav-links li a:hover{color:var(--primary);background:rgba(11,110,79,.05)}
.nav-links li a.active{color:var(--primary)}
.nav-links li a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;background:linear-gradient(120deg,var(--accent),var(--accent-dark));border-radius:var(--radius-full)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-btn{width:40px;height:40px;border-radius:50%;border:none;background:rgba(11,110,79,.07);color:var(--primary);font-size:15px;cursor:pointer;transition:all .25s ease;display:flex;align-items:center;justify-content:center}
.search-btn:hover{background:rgba(11,110,79,.15);transform:scale(1.05)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--ink);cursor:pointer;font-size:18px;align-items:center;justify-content:center}

/* Page Banner */
.page-banner{position:relative;padding:150px 0 55px;background:linear-gradient(135deg,rgba(11,110,79,.96) 0%,rgba(10,87,64,.94) 60%,rgba(5,45,33,.96) 100%);background-image:url("/assets/images/backpic/back-1.png"),linear-gradient(135deg,rgba(11,110,79,.96) 0%,rgba(10,87,64,.94) 60%,rgba(5,45,33,.96) 100%);background-size:cover,cover;background-position:center,center;min-height:280px}
.page-banner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(120deg,var(--accent),var(--accent-dark));opacity:.8}
.banner-inner{position:relative;z-index:2;color:#fff}
.breadcrumb{display:flex;gap:10px;align-items:center;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb i{font-size:12px;color:rgba(255,255,255,.4)}
.banner-inner h1{font-size:44px;font-weight:700;line-height:1.2;margin-bottom:14px;color:#fff}
.banner-inner .banner-desc{font-size:17px;color:rgba(255,255,255,.85);max-width:600px;line-height:1.7}
.banner-stat{display:flex;gap:30px;margin-top:28px;flex-wrap:wrap}
.banner-stat-item{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.12);border-radius:var(--radius-full);padding:8px 20px;backdrop-filter:blur(4px)}
.banner-stat-item i{color:var(--accent);font-size:16px}
.banner-stat-item span{font-size:15px;font-weight:600;color:#fff}

/* Timeline */
.timeline{position:relative;padding-left:40px;max-width:900px}
.timeline::before{content:"";position:absolute;left:16px;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--primary),var(--accent))}
.timeline-item{position:relative;margin-bottom:48px}
.timeline-item:last-child{margin-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-37px;top:8px;width:18px;height:18px;border-radius:50%;background:var(--surface);border:4px solid var(--primary);box-shadow:0 0 0 4px rgba(11,110,79,.12)}
.timeline-item::after{content:"";position:absolute;left:-37px;top:8px;width:18px;height:18px;border-radius:50%;background:var(--primary);border:3px solid var(--surface)}
.timeline-item:nth-child(2)::after{background:var(--accent)}
.timeline-item:nth-child(3)::after{background:var(--accent)}
.timeline-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-1);transition:all .3s ease}
.timeline-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(11,110,79,.3)}
.timeline-step{display:inline-flex;align-items:center;gap:8px;background:rgba(11,110,79,.07);color:var(--primary);font-size:13px;font-weight:700;padding:5px 14px;border-radius:var(--radius-full);margin-bottom:14px}
.timeline-step span{background:var(--primary);color:#fff;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.timeline-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.timeline-card p{color:var(--muted);font-size:15px;line-height:1.7}

/* Split Blocks */
.split-block{display:flex;align-items:center;gap:60px;margin-bottom:80px}
.split-block:last-child{margin-bottom:0}
.split-block .split-media,.split-block .split-content{flex:1}
.split-block .split-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-2);width:100%;object-fit:cover;aspect-ratio:4/3}
.split-block .media-tag{display:inline-block;background:rgba(11,110,79,.08);color:var(--primary);font-size:13px;font-weight:600;padding:5px 16px;border-radius:var(--radius-full);margin-bottom:12px}
.split-content h2{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:16px}
.split-content p{color:var(--muted);margin-bottom:16px}
.split-content ul{display:grid;gap:10px;margin-top:8px}
.split-content ul li{display:flex;gap:10px;align-items:flex-start;color:var(--ink);font-size:15px}
.split-content ul li i{color:var(--primary);margin-top:5px;font-size:14px;flex-shrink:0}

/* Feature Cards */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:all .3s ease;box-shadow:var(--shadow-1)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,110,79,.25)}
.feature-card .num{font-size:32px;font-weight:800;color:var(--primary);font-family:"Inter","DIN Alternate","Helvetica Neue",sans-serif;line-height:1;margin-bottom:16px}
.feature-card .num span{font-size:16px;color:var(--muted);font-weight:600}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.feature-card p{color:var(--muted);font-size:15px;line-height:1.7}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:16px;overflow:hidden;transition:box-shadow .3s ease}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-item-title{display:flex;align-items:center;justify-content:space-between;padding:24px 28px;cursor:pointer;transition:background .3s ease;position:relative}
.faq-item-title h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink)}
.faq-icon{width:32px;height:32px;border-radius:50%;background:rgba(11,110,79,.08);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;flex-shrink:0;transition:transform .35s ease,background .3s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(11,110,79,.15)}
.faq-item-body{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item-body-inner{padding:0 28px 24px;color:var(--muted);font-size:15px;line-height:1.75;border-top:1px solid var(--border);padding-top:20px}

/* Contact Form */
.form-section{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:48px;box-shadow:var(--shadow-1)}
.form-section .form-title{font-size:26px;font-weight:700;margin-bottom:8px}
.form-section .form-sub{color:var(--muted);margin-bottom:32px;font-size:15px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:14px;font-weight:600;color:var(--ink)}
.form-group input,.form-group select,.form-group textarea{border:1px solid var(--border);border-radius:12px;padding:12px 16px;background:var(--bg);font-size:15px;color:var(--ink);transition:border-color .25s ease,box-shadow .25s ease;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,110,79,.12)}
.form-group textarea{min-height:120px;resize:vertical}

/* CTA */
.cta-block{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,#083D2C 100%);border-radius:24px;padding:60px;text-align:center;position:relative;overflow:hidden}
.cta-block::before{content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:rgba(233,180,76,.12);border-radius:50%}
.cta-block::after{content:"";position:absolute;bottom:-80px;left:-80px;width:260px;height:260px;background:rgba(233,180,76,.08);border-radius:50%}
.cta-block>*{position:relative;z-index:2}
.cta-block h2{color:#fff;font-size:32px;font-weight:700;margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.85);margin-bottom:30px;font-size:16px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-block .btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-dark));color:var(--primary-deep);box-shadow:0 6px 20px rgba(0,0,0,.18)}
.cta-block .btn-outline{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;box-shadow:none}
.cta-block .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* Footer */
.site-footer{background:var(--primary-deep);color:#C4D2CB;padding-top:64px;border-top:4px solid var(--accent)}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.site-footer .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:16px;color:#C4D2CB;max-width:320px}
.footer-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(233,180,76,.12);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;padding:12px 20px;margin-top:20px}
.footer-badge-num{font-size:24px;font-weight:800;color:#fff;font-family:"Inter","DIN Alternate","Helvetica Neue",sans-serif}
.footer-badge-label{font-size:13px;color:#C4D2CB}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:#C4D2CB;font-size:14px;transition:color .25s ease}
.footer-col ul a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;display:flex;gap:10px;align-items:flex-start;margin-bottom:14px}
.footer-contact i{color:var(--accent);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:#8CA599}

/* Responsive */
@media(max-width:1024px){
.section{padding:72px 0}
.footer-main{grid-template-columns:1fr 1fr;gap:32px}
.feature-grid{grid-template-columns:repeat(2,1fr)}
.nav-links{margin-left:24px}
.split-block{gap:36px}
}
@media(max-width:860px){
.nav-links{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;box-shadow:var(--shadow-2);gap:4px;display:none;border-bottom:1px solid var(--border)}
.nav-links.open{display:flex}
.nav-links li a{padding:14px 12px;font-size:16px}
.nav-links li a.active::after{left:12px;right:auto;width:28px}
.nav-toggle{display:flex}
.search-btn{margin-left:auto}
.header-inner{flex-wrap:nowrap}
.split-block{flex-direction:column}
.split-block.reverse{flex-direction:column}
.split-block .split-media,.split-block .split-content{width:100%}
.banner-inner h1{font-size:32px}
.form-grid{grid-template-columns:1fr}
.cta-block{padding:40px 28px}
}
@media(max-width:640px){
.section{padding:56px 0}
.container{padding:0 16px}
.feature-grid{grid-template-columns:1fr}
.footer-main{grid-template-columns:1fr}
.page-banner{padding:130px 0 40px}
.section-head h2{font-size:26px}
.cta-buttons .btn{width:100%}
.cta-block h2{font-size:24px}
}

/* roulang page: category3 */
/* ========== Design Variables ========== */
:root {
  --primary: #0B6E4F;
  --primary-dark: #0A5740;
  --primary-deep: #052D21;
  --accent: #E9B44C;
  --accent-dark: #C68A21;
  --accent-soft: #FDF3DF;
  --bg: #F6F7F3;
  --surface: #FFFFFF;
  --ink: #1C2B25;
  --muted: #5D7268;
  --border: #E1E8E0;
  --shadow-1: 0 2px 8px rgba(10, 40, 30, .06);
  --shadow-2: 0 12px 32px rgba(10, 40, 30, .12);
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ========== Container ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Typography ========== */
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; color: var(--ink); }
p { margin: 0; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(11, 110, 79, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(11, 110, 79, .36); color: #fff; }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--primary);
}
.btn-outline:hover { border-color: var(--primary); background: rgba(11, 110, 79, .05); color: var(--primary); }
.btn-sm { height: 40px; padding: 0 18px; border-radius: 10px; font-size: 14px; }

/* ========== Tags ========== */
.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: rgba(11, 110, 79, .1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.tag-gold {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

/* ========== Section ========== */
.section { padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(11, 110, 79, .08);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}
.section-header h2 { font-size: 32px; margin-bottom: 10px; }
.section-header p { color: var(--muted); font-size: 16px; max-width: 560px; margin: 0 auto; }

/* ========== Header ========== */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  transition: all .3s ease;
}
.site-header.scrolled {
  position: fixed;
  background: rgba(246, 247, 243, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
  height: 64px;
}
.header-inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  box-shadow: 0 4px 12px rgba(11, 110, 79, .24);
}
.logo-text { font-size: 18px; font-weight: 700; color: #fff; transition: color .3s; }
.site-header.scrolled .logo-text { color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 28px; margin: 0; list-style: none; }
.nav-links a {
  font-size: 15px; font-weight: 600;
  color: rgba(255, 255, 255, .92);
  position: relative;
  padding: 8px 2px;
  transition: color .2s;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}
.site-header.scrolled .nav-links a { color: var(--ink); }
.site-header.scrolled .nav-links a:hover,
.site-header.scrolled .nav-links a.active { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.search-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.search-btn:hover { background: var(--primary); border-color: var(--primary); }
.site-header.scrolled .search-btn { background: #fff; border-color: var(--border); color: var(--ink); }
.site-header.scrolled .search-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.25); color: #fff; align-items: center; justify-content: center; font-size: 16px; }
.site-header.scrolled .nav-toggle { background: #fff; border-color: var(--border); color: var(--ink); }

/* ========== Page Banner ========== */
.page-banner {
  padding: 168px 0 72px;
  background: linear-gradient(135deg, rgba(11, 110, 79, .95) 0%, rgba(10, 87, 64, .92) 50%, rgba(5, 45, 33, .92) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  color: #fff;
}
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .7); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255, 255, 255, .85); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: .6; }
.breadcrumb .current { color: #fff; }
.page-banner h1 { font-size: 44px; color: #fff; margin-bottom: 10px; }
.page-banner .banner-desc { font-size: 17px; color: rgba(255, 255, 255, .86); max-width: 560px; }

/* ========== Intro / Center Quote ========== */
.intro-section { padding: 80px 0 40px; }
.center-quote { max-width: 820px; margin: 0 auto; text-align: center; padding: 24px 0 48px; position: relative; }
.quote-mark {
  font-family: Georgia, serif;
  font-size: 84px;
  line-height: 1;
  color: var(--accent);
  font-weight: 700;
  display: block;
  height: 48px;
}
.center-quote p {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  margin-top: 8px;
}
.quote-line {
  display: block;
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  border-radius: 3px;
  margin: 28px auto 0;
}

/* ========== Download Section ========== */
.download-section { background: var(--surface); padding: 96px 0; }
.download-wrap {
  display: flex;
  gap: 56px;
  align-items: center;
}
.download-list { flex: 1 1 55%; }
.download-visual { flex: 1 1 45%; }
.download-visual img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow-2);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--border);
}
.download-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 12px;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
  border-radius: 12px;
}
.download-item:first-child { border-top: 1px solid var(--border); }
.download-item:hover { background: rgba(11, 110, 79, .035); }
.download-icon {
  width: 54px; height: 54px;
  border-radius: 16px;
  background: rgba(11, 110, 79, .08);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.download-icon.gold { background: var(--accent-soft); color: var(--accent-dark); }
.download-info { flex: 1; }
.download-info h3 { font-size: 18px; margin-bottom: 4px; }
.download-info p { font-size: 14px; color: var(--muted); line-height: 1.6; }
.download-meta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* ========== Support Section ========== */
.support-section { padding: 96px 0; }
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.support-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-1);
  transition: all .25s ease;
}
.support-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: rgba(11, 110, 79, .3);
}
.support-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}
.support-card h3 { font-size: 18px; margin-bottom: 8px; }
.support-card p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 12px; }
.support-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.support-link i { font-size: 12px; transition: transform .2s; }
.support-link:hover i { transform: translateX(4px); }

/* ========== Testimonials ========== */
.testimonials-section { background: var(--bg); padding: 96px 0; }
.testimonial-wall { display: flex; flex-direction: column; gap: 24px; }
.testimonial-row { display: grid; gap: 24px; }
.testimonial-row.two { grid-template-columns: 1fr 1fr; }
.testimonial-row.three { grid-template-columns: 1fr 1fr 1fr; }
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-1);
  transition: all .25s ease;
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.testimonial-card.alt { background: var(--accent-soft); border-color: rgba(233, 180, 76, .3); }
.stars { color: var(--accent); font-size: 14px; letter-spacing: 2px; margin-bottom: 12px; }
.testimonial-card p { font-size: 15px; color: var(--ink); line-height: 1.75; margin-bottom: 18px; }
.testimonial-user { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  flex-shrink: 0;
}
.testimonial-name { font-size: 14px; font-weight: 600; color: var(--ink); }
.testimonial-source { font-size: 12px; color: var(--muted); }

/* ========== CTA Section ========== */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #083D2C 100%);
}
.cta-wrapper {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 28px;
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.cta-content { flex: 1; }
.cta-content h2 { color: #fff; font-size: 32px; margin-bottom: 8px; }
.cta-content .cta-desc { color: rgba(255, 255, 255, .85); font-size: 15px; margin-bottom: 28px; }
.store-buttons { display: flex; flex-wrap: wrap; gap: 14px; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border-radius: 16px;
  padding: 12px 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
  transition: all .25s ease;
  min-width: 148px;
}
.store-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.store-icon { font-size: 22px; color: var(--primary); width: 32px; text-align: center; }
.store-text { font-size: 14px; font-weight: 700; color: var(--ink); line-height: 1.2; }
.store-text i { display: block; font-style: normal; font-size: 12px; color: var(--muted); font-weight: 400; margin-top: 2px; }
.cta-qr { text-align: center; flex-shrink: 0; }
.cta-qr img {
  width: 160px; height: 160px;
  border-radius: 16px;
  background: #fff;
  padding: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.cta-qr span { display: block; color: rgba(255, 255, 255, .88); font-size: 14px; margin-top: 14px; font-weight: 500; }

/* ========== Footer ========== */
.site-footer { background: var(--primary-deep); color: #C4D2CB; }
.site-footer::before {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 64px 0 40px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; color: #C4D2CB; line-height: 1.7; margin-bottom: 20px; }
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, .06);
  border-radius: 14px;
  padding: 12px 20px;
}
.footer-badge-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  font-family: "Inter", "DIN Alternate", "Helvetica Neue", sans-serif;
  line-height: 1;
}
.footer-badge-label { font-size: 12px; color: #C4D2CB; line-height: 1.4; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: #C4D2CB; font-size: 14px; transition: color .2s; }
.footer-col ul a:hover { color: var(--accent); }
.footer-contact li {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #C4D2CB;
}
.footer-contact i { width: 16px; color: var(--accent); text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p { font-size: 14px; color: #C4D2CB; margin: 0; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .download-wrap { flex-direction: column; gap: 40px; }
  .download-list { width: 100%; }
  .download-visual { width: 100%; max-width: 640px; margin: 0 auto; }
  .cta-wrapper { flex-direction: column; text-align: center; padding: 40px 28px; }
  .store-buttons { justify-content: center; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 860px) {
  .site-header {
    position: fixed;
    background: rgba(246, 247, 243, .95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border);
    height: 64px;
  }
  .site-header .logo-text { color: var(--ink); }
  .site-header .nav-links a { color: var(--ink); }
  .site-header .nav-links a:hover,
  .site-header .nav-links a.active { color: var(--primary); }
  .site-header .search-btn { background: #fff; border-color: var(--border); color: var(--ink); }
  .site-header .nav-toggle { display: flex; background: #fff; border-color: var(--border); color: var(--ink); }
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 24px 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-2);
    display: none;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
    color: var(--ink);
  }
  .nav-links li:last-child a { border-bottom: none; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { color: var(--primary); }
  .page-banner { padding: 140px 0 56px; }
  .page-banner h1 { font-size: 34px; }
  .section { padding: 64px 0; }
  .section-header h2 { font-size: 26px; }
  .center-quote p { font-size: 22px; }
  .support-grid { grid-template-columns: 1fr; }
  .testimonial-row.two,
  .testimonial-row.three { grid-template-columns: 1fr; }
  .download-item { flex-wrap: wrap; }
  .download-meta { width: 100%; padding-left: 74px; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .header-inner { padding: 0 18px; gap: 12px; }
  .logo-text { font-size: 16px; }
  .nav-actions .btn-sm { display: none; }
  .search-btn { display: none; }
  .cta-section { padding: 64px 0; }
  .cta-wrapper { padding: 32px 20px; border-radius: 20px; }
  .cta-content h2 { font-size: 26px; }
  .store-buttons { flex-direction: column; align-items: center; }
  .store-btn { width: 100%; justify-content: center; }
  .cta-qr img { width: 140px; height: 140px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 24px; }
  .download-visual img { border-radius: 18px; }
  .download-meta { padding-left: 0; }
}